Published E-commerce website using Python(Django, DRF)and React, designed in Microservice architecture and released payment gateway reducing drop-offs by 25%. 

Designed and launched a KPI platform using Node (ExpressJS) and React to provide data-driven insights to executives, reducing the average time to resolve customer issues by 25% and increasing sales conversion rate by 15%.

Defined 80+ RESTful APIs using Django for E-commerce project, GraphQL APIs using ExpressJS and handled AWS DynamoDB to deal with dynamically formatted data. 

Deployed a KPI project on AWS Lambda with API Gateway based on Serverless architecture and that way, reduced infrastructure costs by up to 30%.

Built a user management system using AWS Amplify and Cognito to cut off around 1-2 weeks for the AUTH system.                                               Mastered many AWS services like EKS, CloudFormation, RDS, S3, SQS, SES, IAM and many more.                                                                         Integrated a payment system for product checkout using Authorize.net payment API and overwhelmed 300+ transactions every week.                       Wrote functional components using React.js and hooks, leveraged public builtin components and covered more than 90% of the codebase by test cases using JEST framework.

Experienced a start-up environment and culture as a cross functional developer and went through the whole SDLC from the scratch, dealt with stakeholders and clients directly for requirement collection. 

Led backend team for 1 year on the way for settling down the technical and critical decisions, did pair programming, code reviews and ticket managements.